Of course, Freddie is a lefty with some of the most pop in the entire MLB ... but his son is growing up a righty -- and seems he's definitely on track to follow in Dad's footsteps regardless.

The video -- which was posted by Freeman's wife, Chelsea, on Freddie's off day with the fam on Wednesday -- is impressive, but it ain't a one-time thing ... Chelsea throws up vids of Charlie crushing balls all the time!!!

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Charlie is super adorable after blasting the taters ... you can see in the vid he goes over to the living room coffee table to make sure all his toys celebrate his homers with him! It's adorable.

The Freemans are a super tight-knit family ... Freddie flies home on his off days to hang with Chelsea and Charlie all the time ... with Chelsea writing back in 2017, "I'm pretty sure he is the best daddy in the world!!!"